Normal Values for PFT Chapter Exam With Certified Questions and Answers | Graded A+

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Normal Values for PFT Chapter Exam With Certified
Questions and Answers | Graded A+


FEV1 Normal Value - Correct Answer-4200ml or 80%

PEFR Normal Value - Correct Answer-10 L/sec of 600 L/min

FEV3 Normal Value - Correct Answer-97%

FEV25-75% Normal Value - Correct Answer-70%

FEV1/FVC Normal Ranges - Correct Answer--Below 80% may indication obstruction
-below 70% is definitely obstruction

Volume of Gas that normally moves into and out of the lungs in one quiet breath (norm
value) - Correct Answer-Tidal Volume
500ml

Volume of air that can be forcefully inspired after a normal tidal volume (norm value) -
Correct Answer-Inspiratory reserve volume (IRV)
3100ml

Volume of air that can be forcefully exhaled after a normal tidal volume exhalation (norm
value - Correct Answer-Expiratory Reserve Volume (ERV)
1200ml

The amount of air remaining in the lungs after a forceful exhalation (norm value) - Correct
Answer-Residual Volume
1200 ml

Volume of air that can be exhaled after a maximal inspiration - Correct Answer-Vital
Capacity
4800ml

Volume of air that can be inhaled after a normal exhalation - Correct Answer-Inspiratory
Capacity
3600 ml

The lung volume at rest after a normal tidal volume exhalation - Correct Answer-Functional
Residual Capacity (FRC)
2400 ml
-may be normally inc in COPD pts due to air trapping

The maximal amount of air that the lungs can hold - Correct Answer-Total Lung Capacity
6000ml


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